Wellek, R., & Warren, A. (1956). Theory of literature. Cape.
Cita Chicago (17th ed.)Wellek, Rene, i Austin Warren. Theory of Literature. London: Cape, 1956.
Cita MLA (9th ed.)Wellek, Rene, i Austin Warren. Theory of Literature. Cape, 1956.
Atenció: Aquestes cites poden no estar 100% correctes.